When a planet is retrograde, his strength is equal to that of exaltation. A planet in conjunction with a retrograde one has the strength of half a Rupa. A planet exalted in the Rasi while retrograde is similar to a debilitated one and it ` has no strength. A retrograde planet in his debilitation has the strength of exaltation. A planet in conjunction with a planet in exaltation has the strength of halfa Rupa. When it is conjoined with a planet in debilitation has no strength. A planet in conjunction with malefics who are his friends, or with benefics that are his enemies, has a strength of half a Rupa.